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Fencer Intel
medium 6.1

CVE-2013-4752 json

Symfony Host Header Injection vulnerability in the HttpFoundation component

published 2020-01-02 6 y ago modified 2026-06-16 4 mo ago also GHSA-22pv-7v9j-hqxp , EUVD-2022-1882

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Symfony 2.0.X before 2.0.24, 2.1.X before 2.1.12, 2.2.X before 2.2.5, and 2.3.X before 2.3.3 have an issue in the HttpFoundation component. The Host header can be manipulated by an attacker when the framework is generating an absolute URL. A remote attacker could exploit this vulnerability to inject malicious content into the Web application page and conduct various attacks.

Patch / fix

  • packagist symfony/symfony 2.0.24, 2.1.12, 2.2.5, 2.3.3
  • packagist symfony/http-foundation 2.0.24, 2.1.12, 2.2.5, 2.3.3
  • sensiolabs symfony 2.0.24, 2.1.12, 2.2.5, 2.3.3

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-4752 updated cvss 4.3

php-symfony2-HttpFoundation: Request:: getHost() poisioning

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.31% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist symfony/symfony
>=2.0.0, <2.0.24
>=2.1.0, <2.1.12
>=2.2.0, <2.2.5
>=2.3.0, <2.3.3
2.0.24
2.1.12
2.2.5
2.3.3
packagist symfony/http-foundation
>=2.0.0, <2.0.24
>=2.1.0, <2.1.12
>=2.2.0, <2.2.5
>=2.3.0, <2.3.3
2.0.24
2.1.12
2.2.5
2.3.3

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.